Objective: This study aims to translate the Caregiver Self-Assessment Questionnaire (CSAQ) into Turkish language and to test its reliability and validity in Turkish informal family caregivers. Materials and methods: This is a cross-sectional and methodological study. Eighty family caregivers (54.53 ± 12.07 years; range 25 to 77 years; 65 females, 15 males) were included in the study.